MongoDB Delete
Deletes records in MongoDB
Processing
Performs a deleteOne operation using the given configuration.
Settings
| Name | Type | Description |
|---|---|---|
| Query | ||
Connection |
dict |
The MongoDB connection to use. Evaluated for each input row |
Database |
string |
The database to use. Evaluated for each input row |
Collection |
string |
The collection to delete from. Evaluated for each input row |
Filter |
string or dict |
Specifies a filter that finds the document to delete as a BSON document. If you wish to delete a document by id, supply a filter of the form:
In case the id value is of type ObjectId, it takes the form of a dict: Evaluated for each input row |
The Filter setting is parsed as a BSON document when given as string.
Values and BSON are converted as per the following table:
| Value Type | Bson Type |
|---|---|
| boolean | bool |
| long | int or long |
| double | double |
| decimal | decimal |
| datetime | date |
| string | string |
| binary | binary |
| list | array |
| dict | object |
Dicts of the form {'$oid' string} are converted to BSON ObjectIds and vice versa.
Function values cannot be converted to BSON.
Note:
Converting a dict to BSON generally results in an unspecified key order in the BSON object.
If the order of keys is important, you can supply a specially constructed dict of the form:
{
:__bson [
[key1, value1],
[key2, value2],
...
]
}
Such dicts are converted to a BSON object with the order of key-value pairs preserved:
{
key1: value1,
key2: value2,
...
}
You can use the BSON widget to generate such dicts in the UI.
Results
| Name | Type | Description |
|---|---|---|
deleted_count |
long | The number of documents that were deleted. |